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Microwave safe fabric

I will be making corn pillows to microwave for a heat pack. I have cotton muslin for the interior cover which should microwave just fine. For the removable outer cover I have some cotton poly broadcloth which I think should be just fine. I'm wondering if material like polar fleece should be alright? And by off chance, not likely, but acrylic safety eyes. Any place with a crafters list of microwave safe fabric and items that my net searches are not turning up?

Have a crafty week:) Thanks in advance.

Comments

( 26 comments — Leave a comment )
queerlyobscure
Nov. 8th, 2010 06:41 pm (UTC)
I could do an experiment for you if you'd like proof, but I suspect the modern microwave oven would melt a pair of safety eyes.

Polar fleece should survive being microwaved, but I worry that it would take on the smells too easily.
amythestcat
Nov. 8th, 2010 06:50 pm (UTC)
I'm thinking that polar fleece would be fine as well. Smell, good point but I have a feeling may not be a huge issue. I used it for my pet bedding and it does not hold that smell anywhere like the cotton towels do. And the outer will be removable for washing, but best it goes in the microwave too as I do not want anyone to be burned putting it back on the pillow.

thanks for the thoughts
arrien
Nov. 8th, 2010 07:07 pm (UTC)
if it's going to be removable, what are you using for fasteners? I'm assuming you won't use zippers since you want it microwave safe. But would aplix melt in the microwave? Buttons?
amythestcat
Nov. 8th, 2010 11:27 pm (UTC)
Theree won't be any fasteners, there will be an overlap in the middle.
arrien
Nov. 8th, 2010 11:28 pm (UTC)
ahh like a pillowcase?
amythestcat
Nov. 8th, 2010 11:36 pm (UTC)
yup, like a pillow case. They are just going to be rectangular and easy shapes at first.
awwwwwwberry
Nov. 8th, 2010 07:31 pm (UTC)
Polar fleece is definitely fine. I made an adorable heat pack like this one:

http://www.funkyfriendsfactory.com/homemade-heat-pack.aspx

And she talks a bit about microwave safe fabrics in there too. And maybe you could use wooden buttons instead of googly eyes, like she says?

I ended up using felt for the final product, but I experimented a bit before that. I just cut off squares of fabric (mine were like 4"x4" but I doubt it matters) and sticking them each in the microwave for 5 minutes. Nothing caught on fire, so I assumed they'd work fine :)
auroratorealis
Nov. 8th, 2010 08:05 pm (UTC)
thanks for posting that! i've been planning on making some heating packs for a while, and that's really nice information :)
amythestcat
Nov. 8th, 2010 11:34 pm (UTC)
Thank you for sharing this information and your lovely creation. Saw some good comments there as well. Thank you for sharing :)
seraphim_grace
Nov. 8th, 2010 08:05 pm (UTC)
i have a few shop bought ones and the pad comes out of a pocket in the stuffing which is held by velcro
it means you can stick it in the microwave without worrying about destroyign the final product
amythestcat
Nov. 9th, 2010 07:41 pm (UTC)
:)
seticat
Nov. 8th, 2010 08:36 pm (UTC)
I've always made anything that will go into the microwave out of natural fibers, just in case. Covers have been anything from fleece to needle felted wool to flannel - what ever I've had around the house.
amythestcat
Nov. 9th, 2010 07:41 pm (UTC)
reasonable for sure ;)
abuja
Nov. 8th, 2010 08:55 pm (UTC)
wouldn't corn pop? I have always used rice, just wondering.

amythestcat
Nov. 8th, 2010 11:30 pm (UTC)
The corn is going to be dry cracked corn, so popping corn should not be an issue. I'm taking over the making for a local store and the prior person just used feed corn. Works as well as rice and much cheaper.
abuja
Nov. 9th, 2010 02:08 am (UTC)
whew. i feel better about this project then! all i could think of was trying to feel better but being tempted by a bag full of popcorn and it being all crackly on me, lol. good luck!!
amythestcat
Nov. 9th, 2010 02:35 am (UTC)
No worries, glad I could set aside your fears of the dreaded popped popcorn ;) I am selling some items now at a local metaphysical shop and the previous person making these said she did not have the time any more so I said, huh, I could do that, but funds are tight so I got to start with what I have, and i have plenty of fleece and muslin right now ;) And she'd like to stock up her shelves for the holidays :)
abuja
Nov. 9th, 2010 01:05 pm (UTC)
<3 meta stores. never thought about selling in them tho... i must consider this. :)
amythestcat
Nov. 9th, 2010 11:24 pm (UTC)
Yup, she sells dried herbs and oils she orders and a lot of the rest is local crafters, artists and herbalists selling their things. It's a lot more focused on that then the others in the area, but still others sell local goods as well. Definitely worth a peek into. This is a 70/30 deal (me 70) but others in the area you rent some space and they get a small cut, not efficient for me at all, just starting out.
abuja
Nov. 10th, 2010 05:27 pm (UTC)
thats pretty sweet, there are a few meta shops in my area i;ll have to see what their policies are on local art/crafts/meta items.
wunnerwmn
Nov. 9th, 2010 04:15 am (UTC)
Funny, I'm just about to start making these for Christmas prezzies. The woman who does the blog I looked at says she stays with natural fibers because synthetics tend to sweat when heated.

http://www.make-it-do.com/make-it/make-it-do-gift-cozy-bed-warmers/
amythestcat
Nov. 9th, 2010 07:40 pm (UTC)
thanks for the tip!
kenaiqueen
Nov. 9th, 2010 04:40 am (UTC)
I used what is called 'deer corn' or feed corn that I bought from a local feed store. For the interior, sealed sack, I used an old pillowcase which is a poly cotton blend and for the outer sack I used the cheapest fleece from JoAnne's. I put two small pieces of velcro to hold it shut. I microwave the whole thing for 3 mins. in my older microwave (not very powerful) and have about 1 lb of corn inside. I take the fleece off to launder now and then as needed. Nothing has melted/burned, but the dog always thinks I'm making popcorn. :o)

I also made a bigger one using 5lbs of corn and it takes 6 mins to heat, but it stays warm practically all night! Since I live in Alaska, it's mighty nice to have right now.
amythestcat
Nov. 9th, 2010 07:39 pm (UTC)
Thanks for sharing, this is fabulously helpful and reassuring. I live in the northeast myself and personally love my hot water bottle on when I can not shake a chill, but I don't know about tackling rubber molding ;)
pjcarter
Nov. 6th, 2011 02:54 am (UTC)
microwave safe heat packs
what is the best filler to use for the heat packs? we have used dried corn before and do not exactly like it.
Jen Drewski
Mar. 31st, 2014 03:35 pm (UTC)
microwave safe fabric
I use velcro to close outer cover on microwave heating bags and have never had a problem (heating them on high for up to 4 minutes. I have also used cotton/poly fabric with no issues. The fact of the matter is, anything will burn in the microwave if left in there long enough. I put a bagel in for 4 minutes (by mistake) and it smoked up my kitchen. Rule of thumb: Be careful when setting time on microwave no matter what it is.
( 26 comments — Leave a comment )

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